| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1%
|
| 0 | 11 |
5.5%
|
|
| 10 | 6 |
3%
|
|
| 20 | 8 |
4%
|
|
| 25 | 1 |
0.5%
|
|
| 30 | 5 |
2.5%
|
|
| 40 | 3 |
1.5%
|
|
| 50 | 14 |
7%
|
|
| 55 | 1 |
0.5%
|
|
| 60 | 1 |
0.5%
|
|
| 65 | 3 |
1.5%
|
|
| 70 | 7 |
3.5%
|
|
| 75 | 1 |
0.5%
|
|
| 80 | 10 |
5%
|
|
| 90 | 3 |
1.5%
|
|
| 100 | 124 |
62%
|
|
| Sysmiss | 68 |